The 4 curved pieces lay flat when not in use, weighs only 1.2 oz (34 g). It creates a pot stand and doubles as a windscreen by inserting the tab into the hole from the outside of the curve when set up with TOAKS Titanium Siphon Alcohol Stove. It can set up using 3 pieces for TOAKS 375ml, 450ml cup, 550ml, 650ml, 750ml pot, or 4 pieces for 700ml, 900ml or bigger pots.
 
The stove and pot shown in the pictures are sold separately.